How severe is CVE-2025-33015?

CVE-2025-33015 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-33015 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-33015?

CVE-2025-33015 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-33015?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-33015 have an EU (EUVD) identifier?

Yes. CVE-2025-33015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3360.

When was CVE-2025-33015 published?

CVE-2025-33015 was published on 2026-01-20 and last updated on 2026-06-17.

CVE-2025-33015

CVE-2025-33015 is a high-severity vulnerability in Ibm Concert with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3360
Weakness: CWE-434
Affected product: Ibm Concert
Published: 2026-01-20
Last modified: 2026-06-17

Description

IBM Concert 1.0.0 through 2.1.0 is vulnerable to malicious file upload by not validating the content of the file uploaded to the web interface.

Frequently asked questions

What is CVE-2025-33015?: IBM Concert 1.0.0 through 2.1.0 is vulnerable to malicious file upload by not validating the content of the file uploaded to the web interface.
How severe is CVE-2025-33015?: CVE-2025-33015 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-33015 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-33015?: CVE-2025-33015 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-33015?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-33015 have an EU (EUVD) identifier?: Yes. CVE-2025-33015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3360.
When was CVE-2025-33015 published?: CVE-2025-33015 was published on 2026-01-20 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7257006

Affected products (1)

cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Concert

CVE-2025-12771 — High (CVSS 7.8): IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A…
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CVE-2025-33090 — High (CVSS 7.5): IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to cause a denial of service using a specially…
CVE-2025-33088 — High (CVSS 7.4): IBM Concert 1.0.0 through 2.1.0 could allow a local user with specific knowledge about the system's architecture to…
CVE-2025-33089 — Medium (CVSS 6.5): IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information or perform unauthorized…

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